From faab55fbb17f2ea5080bf02bc59eeef5ca746f07 Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Fri, 4 May 2018 17:38:49 -0400 Subject: Make CMutableTransaction constructor explicit Silently converting to a CMutableTransaction will drop all caches and should thus be done explicitly --- src/bitcoin-tx.cpp | 2 +- src/primitives/transaction.h | 2 +- src/test/coins_tests.cpp | 4 ++-- src/test/script_tests.cpp | 8 ++++---- src/test/txvalidationcache_tests.cpp | 2 +- src/wallet/feebumper.cpp | 2 +- src/wallet/wallet.cpp | 4 ++-- 7 files changed, 12 insertions(+), 12 deletions(-) (limited to 'src') diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp index 07ad09ea7b..5ece6c4050 100644 --- a/src/bitcoin-tx.cpp +++ b/src/bitcoin-tx.cpp @@ -548,7 +548,7 @@ static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr) // mergedTx will end up with all the signatures; it // starts as a clone of the raw tx: CMutableTransaction mergedTx{tx}; - const CTransaction txv{tx}; + const CMutableTransaction txv{tx}; CCoinsView viewDummy; CCoinsViewCache view(&viewDummy); diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h index cd348fdbe4..692b553928 100644 --- a/src/primitives/transaction.h +++ b/src/primitives/transaction.h @@ -367,7 +367,7 @@ struct CMutableTransaction uint32_t nLockTime; CMutableTransaction(); - CMutableTransaction(const CTransaction& tx); + explicit CMutableTransaction(const CTransaction& tx); template inline void Serialize(Stream& s) const { diff --git a/src/test/coins_tests.cpp b/src/test/coins_tests.cpp index 276d5b80ee..b792ff8b45 100644 --- a/src/test/coins_tests.cpp +++ b/src/test/coins_tests.cpp @@ -312,7 +312,7 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) if (InsecureRandRange(10) == 0 && coinbase_coins.size()) { auto utxod = FindRandomFrom(coinbase_coins); // Reuse the exact same coinbase - tx = std::get<0>(utxod->second); + tx = CMutableTransaction{std::get<0>(utxod->second)}; // shouldn't be available for reconnection if it's been duplicated disconnected_coins.erase(utxod->first); @@ -331,7 +331,7 @@ BOOST_AUTO_TEST_CASE(updatecoins_simulation_test) // 1/20 times reconnect a previously disconnected tx if (randiter % 20 == 2 && disconnected_coins.size()) { auto utxod = FindRandomFrom(disconnected_coins); - tx = std::get<0>(utxod->second); + tx = CMutableTransaction{std::get<0>(utxod->second)}; prevout = tx.vin[0].prevout; if (!CTransaction(tx).IsCoinBase() && !utxoset.count(prevout)) { disconnected_coins.erase(utxod->first); diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp index f561660fef..868f95983f 100644 --- a/src/test/script_tests.cpp +++ b/src/test/script_tests.cpp @@ -135,7 +135,7 @@ CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey, int n return txCredit; } -CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CScriptWitness& scriptWitness, const CMutableTransaction& txCredit) +CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CScriptWitness& scriptWitness, const CTransaction& txCredit) { CMutableTransaction txSpend; txSpend.nVersion = 1; @@ -161,7 +161,7 @@ void DoTest(const CScript& scriptPubKey, const CScript& scriptSig, const CScript flags |= SCRIPT_VERIFY_WITNESS; } ScriptError err; - CMutableTransaction txCredit = BuildCreditingTransaction(scriptPubKey, nValue); + const CTransaction txCredit{BuildCreditingTransaction(scriptPubKey, nValue)}; CMutableTransaction tx = BuildSpendingTransaction(scriptSig, scriptWitness, txCredit); CMutableTransaction tx2 = tx; BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, &scriptWitness, flags, MutableTransactionSignatureChecker(&tx, 0, txCredit.vout[0].nValue), &err) == expect, message); @@ -1071,7 +1071,7 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG12) CScript scriptPubKey12; scriptPubKey12 << OP_1 << ToByteVector(key1.GetPubKey()) << ToByteVector(key2.GetPubKey()) << OP_2 << OP_CHECKMULTISIG; - CMutableTransaction txFrom12 = BuildCreditingTransaction(scriptPubKey12); + const CTransaction txFrom12{BuildCreditingTransaction(scriptPubKey12)}; CMutableTransaction txTo12 = BuildSpendingTransaction(CScript(), CScriptWitness(), txFrom12); CScript goodsig1 = sign_multisig(scriptPubKey12, key1, txTo12); @@ -1102,7 +1102,7 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23) CScript scriptPubKey23; scriptPubKey23 << OP_2 << ToByteVector(key1.GetPubKey()) << ToByteVector(key2.GetPubKey()) << ToByteVector(key3.GetPubKey()) << OP_3 << OP_CHECKMULTISIG; - CMutableTransaction txFrom23 = BuildCreditingTransaction(scriptPubKey23); + const CTransaction txFrom23{BuildCreditingTransaction(scriptPubKey23)}; CMutableTransaction txTo23 = BuildSpendingTransaction(CScript(), CScriptWitness(), txFrom23); std::vector keys; diff --git a/src/test/txvalidationcache_tests.cpp b/src/test/txvalidationcache_tests.cpp index eb23ba5ad2..06497667c3 100644 --- a/src/test/txvalidationcache_tests.cpp +++ b/src/test/txvalidationcache_tests.cpp @@ -24,7 +24,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi BOOST_AUTO_TEST_SUITE(tx_validationcache_tests) static bool -ToMemPool(CMutableTransaction& tx) +ToMemPool(const CMutableTransaction& tx) { LOCK(cs_main); diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp index 4d70dde72a..b26fd28d48 100644 --- a/src/wallet/feebumper.cpp +++ b/src/wallet/feebumper.cpp @@ -185,7 +185,7 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin // If the output is not large enough to pay the fee, fail. CAmount nDelta = new_fee - old_fee; assert(nDelta > 0); - mtx = *wtx.tx; + mtx = CMutableTransaction{*wtx.tx}; CTxOut* poutput = &(mtx.vout[nOutput]); if (poutput->nValue < nDelta) { errors.push_back("Change output is too small to bump the fee"); diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 9533e6ff56..fb772bfc4d 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -2065,8 +2065,8 @@ bool CWalletTx::IsTrusted() const bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const { - CMutableTransaction tx1 = *this->tx; - CMutableTransaction tx2 = *_tx.tx; + CMutableTransaction tx1 {*this->tx}; + CMutableTransaction tx2 {*_tx.tx}; for (auto& txin : tx1.vin) txin.scriptSig = CScript(); for (auto& txin : tx2.vin) txin.scriptSig = CScript(); return CTransaction(tx1) == CTransaction(tx2); -- cgit v1.2.3